2466127078561 has 4 divisors (see below), whose sum is σ = 2466130450432. Its totient is φ = 2466123706692.

The previous prime is 2466127078553. The next prime is 2466127078567. The reversal of 2466127078561 is 1658707216642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2466127078561 - 2³ = 2466127078553 is a prime.

It is a super-2 number, since 2×2466127078561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2466127078567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77121 + ... + 2222206.

It is an arithmetic number, because the mean of its divisors is an integer number (616532612608).

Almost surely, 2^{2466127078561} is an apocalyptic number.

It is an amenable number.

2466127078561 is a deficient number, since it is larger than the sum of its proper divisors (3371871).

2466127078561 is a wasteful number, since it uses less digits than its factorization.

2466127078561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371870.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 2466127078561 in words is "two trillion, four hundred sixty-six billion, one hundred twenty-seven million, seventy-eight thousand, five hundred sixty-one".